swear up and down

swear blind

BRITISH or

swear up and down

AMERICAN

If someone swears blind that something is true, they insist that they are telling you the truth. He swore blind that he hadn't taken the money.He swears blind that he bears no grudges against Manchester United for sacking him, but I don't know if I believe him.

swear up and down

AMERICAN

If someone swears up and down that something is true, they insist very strongly that they are telling you the truth. He swore up and down he was going to get the cash and bring it right back.I couldn't get it out of my head that maybe it was all part of his plan, although he swore up and down it wasn't. Note: The usual British expression is swear blind.

All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.